600 MHz 2.1 GHz Opt Oscilloscope Calibrator Fluke 5820A Used Multifunction Calibrator

Fluke 5820A — 600 MHz (2.1 GHz Opt.) Oscilloscope Calibrator Multi Function Calibrator

Fluke’s 5820A lets a single bench instrument fully verify amplitude, bandwidth and timing on oscilloscopes up to 600 MHz—or 2.1 GHz when the GHz option is installed—using leveled-sine, fast-edge, marker and pulse modes. The three-path architecture delivers 5 mV to 3.5 V signals with ppm-level flatness, while ≤ 1 ns edges (150 ps with the option) expose front-end slew-rate limits. Programmable pulse widths down to 1 ns, dual trigger outputs and an optional five-channel front panel shorten connection changes and speed automated routines. Comprehensive self-test, RS-232/GPIB control and ready-made MET/CAL procedures make the 5820A a turnkey, audit-ready solution for metrology labs and high-volume service centers—at a fraction of the cost of current-generation calibrators when purchased pre-owned.

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TESTRO Advantages

1. Laboratory-Verified Performance – Every unit ships with an ISO/IEC 17025 calibration certificate (TESTRO Certified) tied to its serial number.

2. Full Internal Transparency – High-resolution teardown photos plus a live video test (gain-linearity, noise-floor, spurious response); recordings are stored for the product’s lifetime.

3. Warranty & Technical Support – One-year warranty and weekday remote assistance from the in-house engineering team for both software and hardware issues.

4. Secure, Rapid Shipping – Aviation-grade flight case with triple-layer anti-vibration foam and shock/tilt indicators; priority DHL delivery in 3–5 days to major destinations.

5. Flexible Payment Options – Accepts T/T, wire transfer, credit card.

6. On-Site Inspection Welcome – Customers may visit the Shenzhen warehouse and refurbishment line to view calibration benches, burn-in racks, and inventory.

Founded in 2017 and headquartered in Shenzhen, TESTRO Electronics LLC focuses on the secondary sale and flexible rental of high-end electronic test instruments. The team counts 30 employees and operates a 1,500 m² warehouse and inspection center in Qianhai, Shenzhen.

Industry Background & Resource Sourcing

Over the past two decades, rapid advances in China’s radio-frequency sector have shortened production-line refresh cycles to roughly 3–5 years. Leveraging long-term partnerships with equipment OEMs, research institutes, and calibration labs, TESTRO acquires traceable, well-maintained decommissioned or replacement units. Every instrument undergoes a five-step technical check and third-party calibration before entering stock, ensuring reliable performance data.

Core Services & Delivery Process